2 in 1 Birds & Tree Sketch

Hi friends I am harsh magar today I draw this sketch

This is 2 in 1 bird and tree Sketch

To draw this sketch you need only one black ball pen 

The link's of instruments for drawing 

Ball pen - https://kundantraders.co.in/products/hauser-xo-ball-pen?variant=41088301170860

paper - https://www.amazon.in/JK-Paper-Easy-Copier-Sheets/dp/B07KDXJZPG/ref=asc_df_B07KDXJZPG/?tag=googleshopdes-21&linkCode=df0&hvadid=396988504026&hvpos=&hvnetw=g&hvrand=13046209233686141526&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9299854&hvtargid=pla-848802553620&psc=1&ext_vrnc=hi